References

XConv

N. Cheung, {Landmark X-A: Classical covariance of a fixed-regulator switched relational scalar through order ${\kappa }^2$: an explicit regulator obstruction}. -A-conv.tex, version 1. Enter Calculus Companion. https://enter.grok.me/browse/X-A-conv. Especially :Cauchy, :coordcoeff, :preflight, :positivegap, :preflightstop, :infdefects, :support, :evaluatedgap, :actionidentity, :purecoordinates, and :pureobservable.

XEnter

N. Cheung, Landmark X-Enter: Readout closure tests for the obstructed convolution coefficient: a named comparison with the ramp prescription. -Enter.tex, version 1. Enter Calculus Companion. https://enter.grok.me/browse/X-Enter. Surjective-orbit obstruction, selective amplitude tests, conditional relational instrument, and bounded-segment trade-off.

XEnterST

X-Enter-ST: Readout closure of an obstructed convolution coefficient on a prescribed conical host. Proposed single-file source supplied in the preceding development. Complete output, approximate-orbit estimate, supplied-evaluation instruments, support qualifications, and regular report transport. The supplied status is : proposed; no independent registration or verification is inferred.

XA

N. Cheung, {Landmark X-A: Classical covariance of one fixed-regulator switched relational scalar through order ${\kappa }^2$}. -A.tex, version 1. Enter Calculus Companion. https://enter.grok.me/browse/X-A. Separate ramp prescription, plateau identity, and excluded-edge comparison.

XAST

X-A-ST: Supported classical covariance of a fixed-ramp relational scalar. Version 1 predecessor adaptation record supplied with the request. Retained developing chart, completion, signature ledger, plateau support, and finite Enter interface. No authorship or registration is inferred merely from citation of the analytical parent.

IB

N. Cheung, I-B: A Finite Enter Spacetime: Calibrated Destructive Time Readout on a Prescribed Conical Product. -B-v1.tex, version 1. Enter Calculus Companion. https://enter.grok.me/browse/I-B. Prescribed conical product and worldsheet, complete clock instrument, calibration, scheduled locality, and target-adapted transport.

EnterArticle

N. Cheung, “The Enter Calculus: A Linear Quantum Lambda Calculus with an Operational Characterization of Measurement,” Frontiers in Physics 14 (2026), article 1954943. DOI: 10.3389/fphy.2026.1954943. Publisher's accepted-manuscript record; accepted September 28, 2026. https://www.frontiersin.org/journals/physics/articles/10.3389/fphy.2026.1954943/abstract. Operational characterization within its stated strategy class; not a classical covariance premise.

EnterI

N. Cheung, Manuscript I: Finite operational characterization of destructive measurement in the Enter calculus. .tex, version 2. Enter Calculus Companion. https://enter.grok.me/browse/I. Full structural hypotheses are retained; no abbreviated characterization is reconstructed.

EnterPhil

N. Cheung, The Philosophy of Enter: Destructive Readout, Quantum Recovery, and the Refusal of Identification. -v2.tex, version 2. Introductory essay, Enter Calculus Companion. https://enter.grok.me/enter. Interface orientation, not a theorem premise.

En09

N. Cheung, Realization of Relational Time by Destructive Enter on a Clock Register. 09-A.tex, version 1. Enter Calculus Companion. https://enter.grok.me/browse/En09-A. Complete instrument, reference extension, consumption, no universal clock return, and separate dynamical hypotheses.

En03

N. Cheung, Observation Boundaries for Destructive Quantum Readout and External Geometry. 03-A.tex, version 1. Enter Calculus Companion. https://enter.grok.me/browse/En03-A. Complete prescribed-network interfaces and schedule locality.

VIIE

N. Cheung, VII-E. Version 1, supplied manuscript record, Enter Calculus Companion. https://enter.grok.me/browse/VII-E. Prescribed backwards support and complete observation interfaces.

En08A

N. Cheung, En08-A. Version 1, supplied manuscript record, Enter Calculus Companion. https://enter.grok.me/browse/En08-A. Scheduler consistency versus a separately supplied geometric cone representation.

En08B

N. Cheung, Resource-controlled operational approximation of null boundary transport. 08-B.tex, version 1. Enter Calculus Companion. https://enter.grok.me/browse/En08-B. Reference-preserving SWAP transport, prescribed geometry and speed, resource accounting, and complete-channel errors.

BGP

C. Bär, N. Ginoux, and F. Pfäffle, Wave Equations on Lorentzian Manifolds and Quantization. ESI Lectures in Mathematics and Physics, European Mathematical Society, 2007. https://arxiv.org/abs/0806.1036. Smooth Cauchy theory, finite propagation, and Green operators under their geometric hypotheses.

BFR

R. Brunetti, K. Fredenhagen, and K. Rejzner, “Quantum gravity from the point of view of locally covariant quantum field theory,” Communications in Mathematical Physics 345 (2016), 741–779. https://arxiv.org/abs/1306.1058. External relational-observable and perturbative-gravity context; not a construction of the frozen convolution.

Watrous

J. Watrous, The Theory of Quantum Information. Cambridge University Press, 2018. Author's manuscript and errata: https://cs.uwaterloo.ca/ watrous/TQI/. Finite instruments, trace distance, and diamond-norm comparison.

Hormander

L. Hörmander, The Analysis of Linear Partial Differential Operators I: Distribution Theory and Fourier Analysis, second edition, Springer, 1990. Smooth multiplication and distributional wavefront calculus.

LaterST

X-B-ST, X-C-ST, X-D-ST, X-E-ST, X-F-ST, X-G-ST, and X-H-ST. Version-specific predecessor source records supplied with the request, with their analytical parent constructions attributed therein to N. Cheung. Scalar maps, scalar sharp-width tests, tree identities, free BRST compatibility, relative classical BV, and supplied-report comparisons. Documentary separations only; no common convolution repair or independent registration is inferred.

XVIA

N. Cheung, XVI-A. Version 1, supplied manuscript record, Enter Calculus Companion. https://enter.grok.me/browse/XVI-A. Especially :smoothmult: fixed-width smooth multiplication does not enlarge wavefront sets, but does not prove a smoothing, cancellation, or quantum-admission theorem.

DomainRecords

N. Cheung, VII-C, version 1; VII-D, version 1; XI-B, version 1; and XI-G, version 1; with the version-specific IX-A-ST and IX-D-ST adaptation records supplied with the request. Enter Calculus Companion. Distinct Wick-extension, finite-part, sharp-domain, free-multiplet, and microcausal admission questions. Comparison only.

BoundaryRecords

N. Cheung, XIV-H, XIV-I, and XIV-J, version 1; technical XV-B, version 2; XVI-N, revision r12; and XVI-O, revision o70-sync. Version-qualified supplied manuscript records, Enter Calculus Companion. Historical H2, the narrower internal amplitude at I2, the missing full I3/J2 maps, prepared-insertion obstructions, and the downstream admission exit retain their separate scopes.

FiniteRecords

N. Cheung, Oai282-A, Oai283-A, Oai272-A, Oai276-A, Oai279-A, Oai119-A, and Oai365-A. Version-specific descriptions and excerpts supplied with the request, Enter Calculus Companion. Finite operational and signature comparisons only. No analytical or field-acquisition premise is imported.

OpenAICatalogue

OpenAI, Mathematics catalogue. Supplied documentary descriptions, including Families 282, 362, 376, and 265, recorded separately in the Enter Calculus Companion. No catalogue theorem is used or independently verified in this manuscript.